### Home > ACC7 > Chapter 6 Unit 7 > Lesson CC3: 6.1.1 > Problem 6-4

6-4.

Which equation below has *no* solution? Explain how you know.

Solve the equation for

.All you need to know is that equation (a) has at least one solution.

In this case,

could.

Follow the steps in equation (a).

This equation has no solution.